Home / 65,220.21-97,830.33-18,473.10

Finding the Fourth Proportional to 65,220.21, 97,830.33 and 18,473.10

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Solution

The fourth proportional to 65,220.21, 97,830.33 and 18,473.10 is: 27,709.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,220.21 : 97,830.33 = 18,473.10 : x
  2. Step 2: Convert to fraction form
    65,220.21/97,830.33 = 18,473.10/x
  3. Step 3: Cross multiply
    65,220.21x = 97,830.33 × 18,473.10
  4. Step 4: Simplify right side
    65,220.21x = 1,807,229,469.12
  5. Step 5: Solve for x
    x = 1,807,229,469.12/65,220.21
  6. Step 6: Final answer
    x = 27,709.65

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.